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Finding the Fourth Proportional to 163,693.62, 245,225.07 and 137,082.42

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Solution

The fourth proportional to 163,693.62, 245,225.07 and 137,082.42 is: 205,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,693.62 : 245,225.07 = 137,082.42 : x
  2. Step 2: Convert to fraction form
    163,693.62/245,225.07 = 137,082.42/x
  3. Step 3: Cross multiply
    163,693.62x = 245,225.07 × 137,082.42
  4. Step 4: Simplify right side
    163,693.62x = 33,616,046,040.27
  5. Step 5: Solve for x
    x = 33,616,046,040.27/163,693.62
  6. Step 6: Final answer
    x = 205,359.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.